Inventor · disambiguated record
Darek C. Barefoot
Also filed as: BAREFOOT DAREK · BAREFOOT DAREK C
34 granted patents·4 pending applications·251 citations·filing 1989–2024
97Inventor score
Top patents by PatentIndex Score
38 records- 0198US8104591B2Magnetic valve for shock absorbersBAREFOOT DAREK C·Filed 2006·Granted Jan 31, 2012·99 cites·10 claims
- 0296US12098761B2Chain ring with teeth oppositely laterally engaging a drive chainEKO SPORT INC·Filed 2023·Granted Sep 24, 2024·2 cites·20 claims
- 0396US11719325B2Chain ring with teeth oppositely laterally engaging a drive chainEKO SPORT INC·Filed 2021·Granted Aug 8, 2023·4 cites·19 claims
- 0496US10451166B2Chain ring with teeth oppositely laterally engaging a drive chainEKO SPORT INC·Filed 2016·Granted Oct 22, 2019·9 cites·24 claims
- 0596US9669899B2Alternating tooth chain ringEKO SPORT INC·Filed 2015·Granted Jun 6, 2017·15 cites·19 claims
- 0695US11613326B2Two-piece upper chain guideEKO SPORT INC·Filed 2021·Granted Mar 28, 2023·6 cites·20 claims
- 0795US11524746B2Adjustable chain guide systemEKO SPORT INC·Filed 2020·Granted Dec 13, 2022·6 cites·20 claims
- 0894US11008062B2Suspension including coil spring and ambient air cushionEKO SPORT INC·Filed 2018·Granted May 18, 2021·6 cites·10 claims
- 0991US11835107B2Combined air spring and damperEKO SPORT INC·Filed 2020·Granted Dec 5, 2023·3 cites·12 claims
- 1090US11827311B2Two-piece upper chain guideEKO SPORT INC·Filed 2023·Granted Nov 28, 2023·2 cites·19 claims
- 1187US9981712B2Shock absorber incorporating a floating pistonEKO SPORT INC·Filed 2016·Granted May 29, 2018·6 cites·12 claims
- 1285US10563746B2Alternating tooth chain ringEKO SPORT INC·Filed 2017·Granted Feb 18, 2020·2 cites·26 claims
- 1382US8820853B1Wheel axle assemblyBAREFOOT DAREK C·Filed 2011·Granted Sep 2, 2014·10 cites·19 claims
- 1481US11054014B2Chain ring with teeth oppositely laterally engaging a drive chainEKO SPORT INC·Filed 2019·Granted Jul 6, 2021·3 cites·25 claims
- 1581US10500915B2Shock absorber incorporating a floating pistonEKO SPORT INC·Filed 2018·Granted Dec 10, 2019·2 cites·14 claims
- 1681US10156279B2Annular valveEKO SPORT INC·Filed 2017·Granted Dec 18, 2018·4 cites·17 claims
- 1780US10145436B2Rear suspension having an air component and an oil componentEKO SPORT INC·Filed 2016·Granted Dec 4, 2018·4 cites·18 claims
- 1880US9573649B2Ramp control for a front fork of a bicycleEKO SPORT INC·Filed 2015·Granted Feb 21, 2017·2 cites·3 claims
- 1979US11376913B2Shock absorber incorporating a floating pistonEKO SPORT INC·Filed 2019·Granted Jul 5, 2022·4 cites·19 claims
- 2078US6581919B2Shock absorbing seat postEKO SPORT INC·Filed 2002·Granted Jun 24, 2003·25 cites·15 claims
- 2175US11713802B2Alternating tooth chain ringEKO SPORT INC·Filed 2022·Granted Aug 1, 2023·0 cites·18 claims
- 2275US2024060544A1Combined Air Spring and DamperEKO SPORT INC·Filed 2023·Application pending·0 cites
- 2372US10435105B2Ramp control for a front fork of a bicycleEKO SPORT INC·Filed 2017·Granted Oct 8, 2019·1 cites·45 claims
- 2472US8727080B2Magnetic valve for shock absorbersBAREFOOT DAREK C·Filed 2012·Granted May 20, 2014·3 cites·27 claims
- 2569US11685464B2Suspension including coil spring and ambient air cushionEKO SPORT INC·Filed 2021·Granted Jun 27, 2023·0 cites·10 claims
- 2669US9903436B2High efficiency damper for bicycle suspensionEKO SPORT INC·Filed 2016·Granted Feb 27, 2018·1 cites·8 claims
- 2768US9731574B2Shock absorber gas spring sealEKO SPORT INC·Filed 2014·Granted Aug 15, 2017·5 cites·20 claims
- 2866US11293537B2Alternating tooth chain ringEKO SPORT INC·Filed 2020·Granted Apr 5, 2022·0 cites·11 claims
- 2966US11091218B2Ramp control for a front fork of a bicycleEKO SPORT INC·Filed 2019·Granted Aug 17, 2021·0 cites·35 claims
- 3065US9322449B2Valve for shock absorbersEKO SPORT INC·Filed 2013·Granted Apr 26, 2016·2 cites·27 claims
- 3161US2024217614A1Valves For Changing The Pressure Of A Fluid In A Suspension And Retainer For Retaining Fluid In A SuspensionEKO SPORT INC·Filed 2023·Application pending·0 cites
- 3261US2024383562A1Adjustable air pressure chamberEKO SPORT INC·Filed 2024·Application pending·0 cites
- 3360US6631915B2Bicycle fork travel limiterEKO SPORT INC·Filed 2001·Granted Oct 14, 2003·10 cites·13 claims
- 3459US10549814B2High efficiency damper for bicycle suspensionEKO SPORT INC·Filed 2018·Granted Feb 4, 2020·0 cites·42 claims
- 3556US11904977B2CompensatorEKO SPORT INC·Filed 2020·Granted Feb 20, 2024·0 cites·20 claims
- 3655US9199689B2Wheel axle assemblyEKO SPORT INC·Filed 2014·Granted Dec 1, 2015·0 cites·20 claims
- 3752US4953425ABicycle pedal attachmentBAREFOOT DAREK·Filed 1989·Granted Sep 4, 1990·15 cites·3 claims
- 3837US2012142469A1Dual pulley chain guide and guardBAREFOOT DAREK C·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →